ledger vs tomb

ledger

noun
  • A large, flat stone, especially one laid over a tomb. 

  • A book for keeping notes; a record book, a register. 

  • A distributed ledger, a public financial transaction database, typically using a blockchain. 

  • A board attached to a wall to provide support for attaching other structural elements (such as deck joists or roof rafters) to a building. 

  • A book or other scheme for keeping accounting records. 

  • A collection of accounting entries consisting of credits and debits. 

verb
  • To use (a certain type of bait) in bottom fishing. 

  • To engage in bottom fishing. 

  • To record (something) in, or as if in, a ledger. 

tomb

noun
  • A pit in which the dead body of a human being is deposited; a grave. 

  • A small building (or "vault") for the remains of the dead, with walls, a roof, and (if it is to be used for more than one corpse) a door. It may be partly or wholly in the ground (except for its entrance) in a cemetery, or it may be inside a church proper or in its crypt. Single tombs may be permanently sealed; those for families (or other groups) have doors for access whenever needed. 

  • One who keeps secrets. 

verb
  • To bury. 

How often have the words ledger and tomb occurred in a corpus of books? (source: Google Ngram Viewer )